nk497 writes: ARM is showing off a test handset at Mobile World Congress, which runs Android 2.3 and Ubuntu 10.04 at the same time on a Texas Intruments OMAP 4 chip (check out the video here). ARM envisages a time when the only computer you’ll ever need is your smartphone and with Nvidia announcing it will be putting quad-core mobile processors into tablets by autumn and smartphones by Christmas, that prospect looks to be approaching faster than anyone expected.